c-cd cccc cccf cccp ccdc ccdf ccdp ccdr cced ccee ccfc ccfd ccff ccoc ccod ccpe ccpp ccpr ccrc ccre ccrf ccrp cd-e cd-r cddr cdec cdef cder cdfe cdre cec- cece ceco cecp cedd cede cedo ceec cef- cefc ceop ceor cepc cepe cepo cepp cepr cer- cerc cerd cere cerf cero cerp cfcf cfco cfdp cffr cfor cfpo cfpr cfre cfrp coce coco cocp codd code coed coep cofc cofe coff cood coof coop copd cope copo copp copr cor- corc cord core corf coro corp corr cpce cpep cper cpff cppd cpre crcc crce crcr crdc cre- crec cred cree creo crep crfc croc crod croe croo crop cror crpc dccc dccp dcfc dcop dcpo dddd ddoc ddpo ddrc ddre dec- decc decd dece deco dedd dede dedo deed deef deep deer defe deff defo deop deor depc depe depo depp depr der- derc dere derf dero derp derr dfcc dfco dfer dfoe dfrf doce doco dod- dodd dode dodo doer doff dood doof doop door dope dopo dopp dopr dorc dord dore dorf doro dorp dorr dpcp dper dppc dred dree dref drfc drod drof drop eccc ecce ecco ecdc ecdf eced ecef ecfc ecfr eco- ecod ecop ecpd ecpp ecrc ecrf ecrr eddc edde eddo eddp ede- eder edoc edod eede eeee eefe eeoc eerc eero efco efeo efor eocd eode eore epcc epec epee eper epfc epoc epod epor eppc eppo eppp epro eprp ercc erce ercp erde erdf erec ered erer erfc eroc erod eroe eroo erpe errc erre erro fccf fccp fdoc fece fede feed feer fefc fefe feff fefo feod feof fepc ferc ferd fere fero ferr ffcc ffee ffff ffrr foce foco fode foed foer fofo food foof fopp for- ford fore foro forr fp-c fpcc fprf frcc frcp fred free freo frep frfc froe frop frpd o-eo occc oce oced ocee ocef ocfp ocpd ocpp ocre ocro ocrr oddd oded odeo oder odoo odop odor odrp oec- oecc oedo oeec oere ofcr ofdr ofer off- offc offe offo offr ofor ofre oocr ooer ooff oooo oord oore opec oped opep oper opo- opor oppo orce orco orde ordo ore- orec ored oreo orer orfe orff oro- oroe orof oror orpc orpe orro pccc pcce pcep pcer pcfc pcod pcoe pcpp pcrc pcrd pcre pcrf pdcp pdoc pdpr pdrc pece peco pecr ped- pede pedf pedo peec peed peep peer pefc peff peor pepd pepe pepo per- perc perd pere perf pero perp perr pfce pfff pffr pocd poce poco pod- podd pode podo poed poer poff pood poof poop poor pop- popc pope popo popp porc pore poro porr ppcc ppcd pper ppod pppd pppo pppp pprc pprf prcc prcd prcf prcp pre- prec pred pree pref prep prfc pro- proc prod proe prof proo prop prpd prrd rccc rcdc rcde rcep rcfc rcpd rcpo rcrd rder rdoc rdpc recc recd rece recp recr redc redd rede redo redr reed reef reep refd refe reff refr reod reof reop repe repo repp repr rerd rere rero rfef rffc rocc roce roco rodd rode rodo roed roer rofc rofe roff rofo rood roof roop roor rope ropo rorc rore roro rpdp rpfc rpoe rpof rred rrfc rrrr